Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 225/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 32.94 (836.8) | 4.25 (108) 14.8% |
| Width inches (mm) | 6.5 (165) | 8.86 (225) | 2.36 (60) 36.4% |
| Circum. inches (mm) | 90.14 (2289.59) | 103.5 (2628.88) | 13.36 (339.29) 14.8% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 7.97 (202.5) | 2.13 (54) 36.4% |
| Revolutions per mile (km) | 702.9 (436.76) | 612.18 (380.39) | -90.72 (-56.37) -12.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.96 mph (36.96 km/h) |
| 25 mph (40.23 km/h) | 28.7 mph (46.2 km/h) |
| 30 mph (48.28 km/h) | 34.45 mph (55.44 km/h) |
| 35 mph (56.33 km/h) | 40.19 mph (64.67 km/h) |
| 40 mph (64.37 km/h) | 45.93 mph (73.91 km/h) |
| 45 mph (72.42 km/h) | 51.67 mph (83.15 km/h) |
| 50 mph (80.47 km/h) | 57.41 mph (92.39 km/h) |
| 55 mph (88.51 km/h) | 63.15 mph (101.63 km/h) |
| 60 mph (96.56 km/h) | 68.89 mph (110.87 km/h) |
| 65 mph (104.61 km/h) | 74.63 mph (120.11 km/h) |
| 70 mph (112.65 km/h) | 80.37 mph (129.35 km/h) |
| 75 mph (120.7 km/h) | 86.11 mph (138.59 km/h) |
| 80 mph (128.75 km/h) | 91.86 mph (147.83 km/h) |
| 85 mph (136.79 km/h) | 97.6 mph (157.07 km/h) |
| 90 mph (144.84 km/h) | 103.34 mph (166.31 km/h) |
| 95 mph (152.89 km/h) | 109.08 mph (175.54 km/h) |
| 100 mph (160.93 km/h) | 114.82 mph (184.78 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1558 | 1810 | 1949 | 2035 | 2128 | 2194 | 2267 | 2353 | 2473 | 2592 | 2725 | 2831 | 3023 | 3235 | 3401 | 3507 | 3567 | 3785 | 4090 | 4753 |
Better Fuel Economy Factory Ratios Increased Power
